Remove deprecated rustfmt configuration options

[ascjones]

Removes report_todo, report_fixme and license_template_path.

Should we consider with replacing these options with alterantives? Certainly we could just do a simple grep for detecting todo and fixme.

[paritytech-cicd-pr]

🦑 📈 ink! Example Contracts ‒ Changes Report 📉 🦑

These are the results when building the examples/* contracts from this branch with cargo-contract 1.4.0-25bfb96 and comparing them to ink! master:

	Δ Optimized Size	Δ Used Gas	Total Optimized Size	Total Used Gas
accumulator			1.00 K
adder			2.04 K
contract-introspection			2.32 K
contract-terminate			0.92 K	275_000
contract-transfer			8.31 K	75_000
data-structures			1.73 K
delegate-calls			2.89 K	76_242
delegator			6.34 K	232_136
dns			8.81 K	225_000
erc1155			16.74 K	450_000
erc20			8.42 K	225_000
erc721			11.62 K	600_000
flipper			1.24 K	75_000
forward-calls			2.87 K	151_411
incrementer			1.14 K
mother			12.16 K
multisig			25.28 K	470_240
rand-extension			3.79 K	75_000
seal-code-hash			1.39 K
seal-ecdsa			1.71 K
set-code-hash			1.49 K	150_000
subber			2.06 K
trait-erc20			8.69 K	225_000
trait-flipper			0.97 K	75_000
trait-incrementer			1.12 K	150_000
updated-incrementer			9.72 K
upgradeable-flipper			1.48 K

Link to the run | Last update: Tue Jul 5 18:32:52 CEST 2022

[codecov-commenter]

Codecov Report

Merging #1309 (43be0c9) into master (97f41b5) will increase coverage by 25.20%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master    #1309       +/-   ##
===========================================
+ Coverage   47.12%   72.33%   +25.20%     
===========================================
  Files         176      176               
  Lines        5920     5920               
===========================================
+ Hits         2790     4282     +1492     
+ Misses       3130     1638     -1492     

Impacted Files	Coverage Δ
crates/storage/src/traits/impls/prims.rs	95.16% <0.00%> (+1.61%)	⬆️
crates/lang/ir/src/ir/attrs.rs	82.27% <0.00%> (+3.60%)	⬆️
crates/lang/ir/src/ir/trait_def/item/mod.rs	90.16% <0.00%> (+4.91%)	⬆️
crates/lang/ir/src/ir/item_impl/constructor.rs	93.84% <0.00%> (+6.15%)	⬆️
crates/env/src/engine/off_chain/test_api.rs	86.84% <0.00%> (+7.89%)	⬆️
crates/lang/ir/src/ir/idents_lint.rs	71.42% <0.00%> (+9.52%)	⬆️
crates/storage/src/traits/impls/mod.rs	77.77% <0.00%> (+11.11%)	⬆️
crates/env/src/engine/off_chain/impls.rs	44.70% <0.00%> (+12.35%)	⬆️
crates/env/src/api.rs	33.80% <0.00%> (+12.67%)	⬆️
crates/engine/src/test_api.rs	85.71% <0.00%> (+13.18%)	⬆️
... and 47 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 97f41b5...43be0c9. Read the comment docs.